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Phosphate-treated steel plate
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Patent number 6,509,099
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Issue date Jan 21, 2003
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NKK Corporation
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Kazuya Urata
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Method for zinc-phosphating metal surface
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Patent number 5,328,526
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Issue date Jul 12, 1994
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Nippon Paint Co., Ltd.
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Masahiro Jo
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Process for phosphating metal surfaces
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Patent number 5,268,041
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Issue date Dec 7, 1993
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Metallgesellschaft AG
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Horst Gehmecker
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Phosphating process
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Patent number 5,152,849
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Issue date Oct 6, 1992
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Metallgesellschaft Aktiengesellschaft
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Klaus Bittner
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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3726720
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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3676224
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Patent number 3,676,224
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3597283
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...